NorthStar 957 User Manual
Page 54
957 Operator’s Manual, Rev. B
Chapter 5 - Determining Your Position
Viewing GPS
satellite status
To display more information about signals received from the
GPS satellites, press the SAT INFO menu key on the GPS
GPS satellites, press the SAT INFO menu key on the GPS
POSITION screen. The GPS SATELLITES screen is displayed
showing the received Signal-to-Noise Ratio (SNR) for each
satellite (the higher the ratio, the better the quality of the
satellite signals), and a satellite map indicating where the
satellites are currently located in the sky. Satellites are
identified by their PRN number, a two-digit number assigned
by the U.S. government. GPS satellites are represented by
circles; WAAS satellites are represented by hexagons.
showing the received Signal-to-Noise Ratio (SNR) for each
satellite (the higher the ratio, the better the quality of the
satellite signals), and a satellite map indicating where the
satellites are currently located in the sky. Satellites are
identified by their PRN number, a two-digit number assigned
by the U.S. government. GPS satellites are represented by
circles; WAAS satellites are represented by hexagons.
The center of the satellite map represents the center of the sky,
and the outer (or last) ring is the horizon. The view is looking
down from above, with East to your right and West to your
left.
and the outer (or last) ring is the horizon. The view is looking
down from above, with East to your right and West to your
left.
The following GPS data is also displayed:
TRACKING
one or more satellites are being tracked
ACQUIRE
trying to acquire satellites
SKY SEARCH
searching for satellites with no previous information
Table 2: GPS status messages (continued)
Message
Meaning